public void CallTableFunctionTwoReturns ()
{
using (Lua lua = new Lua ()) {
lua.DoString ("a={}\nfunction a.f(x,y)\nreturn x,x+y\nend");
object[] ret = lua.GetFunction ("a.f").Call (3, 2);
//Console.WriteLine("ret="+ret[0]+","+ret[1]);
Assert.AreEqual (2, ret.Length);
Assert.AreEqual (3, (double)ret [0]);
Assert.AreEqual (5, (double)ret [1]);
}
}
public System.Object[] Call(string function, params System.Object[] args)
{
System.Object[] result = new System.Object[0];
if (env == null)
{
return(result);
}
LuaFunction lf = env.GetFunction(function);
if (lf == null)
{
return(result);
}
try
{
if (args != null)
{
result = lf.Call(args);
}
else
{
result = lf.Call();
}
}
catch (NLua.Exceptions.LuaException e)
{
Debug.LogError(FormatException(e), gameObject);
throw e;
}
return(result);
}
/// <summary>
/// Registers a command to the Lua kernel.
/// </summary>
/// <param name="functionName">Lua registered function name to run. Looks like "_{guildId}_{cmdName}".</param>
/// <param name="code">Function code. Does not include the header or ending, just the body.</param>
/// <returns></returns>
public async Task RegisterCommand(string functionName, string code)
{
using var c = new CancellationTokenSource();
c.CancelAfter(CustomCommandExecTimeout);
await Task.Run(() =>
{
_luaState.DoString($"function {functionName} (args) {code} end");
_commands[functionName] = _luaState.GetFunction(functionName);
}, c.Token);
}
/// <summary>
/// A label for displaying values obtained through Lua scripts.
/// </summary>
/// <param name="filePath">The path to the Lua script. The script must contain a GetValue() function, which returns the desired text to be displayed.</param>
/// <param name="lua">Obtained by calling GetLua() on a WatchManager32Bit.</param>
public LuaWatch(string filePath, Lua.Lua lua)
{
NLua.Lua n = new NLua.Lua();
n.LoadCLRPackage();
n.DoString("import ('DeSmuME_Watch', 'DeSmuME_Watch.Lua')");
n.DoFile(filePath);
luaGetValue = n.GetFunction("GetValue");
this.lua = lua;
n["WATCH"] = lua;
if (luaGetValue == null)
{
throw new Exception("Lua script could not be loaded. Make sure it contains the function GetValue().");
}
this.AutoSize = true;
this.SetText("?");
}
/// <summary>
/// Run the specified script.
/// </summary>
/// <param name="scriptFile">Script file name</param>
public void RunScript(string scriptFile)
{
if (File.Exists(scriptFile))
{
try
{
using (NLua.Lua lua = new NLua.Lua())
{
lua.LoadCLRPackage();
_luaAPI.RegisterFunctions(lua);
lua.DoFile(scriptFile);
LuaFunction fnc = lua.GetFunction("on_Run");
if (fnc != null)
{
fnc.Call();
}
}
}
catch (LuaScriptException e)
{
MessageBox.Show(e.Message, Resources.ScriptException, MessageBoxButtons.OK);
}
}
}
public void CallGlobalFunctionOneArg ()
{
using (Lua lua = new Lua ()) {
lua.DoString ("a=2\nfunction f(x)\na=a+x\nend");
lua.GetFunction ("f").Call (1);
double num = lua.GetNumber ("a");
//Console.WriteLine("a="+num);
Assert.AreEqual (num, 3d);
}
}
public void TestRegisterFunction ()
{
using (Lua lua = new Lua ()) {
lua.RegisterFunction ("func1", null, typeof(TestClass2).GetMethod ("func"));
object[] vals1 = lua.GetFunction ("func1").Call (2, 3);
Assert.AreEqual (5.0f, Convert.ToSingle (vals1 [0]));
TestClass2 obj = new TestClass2 ();
lua.RegisterFunction ("func2", obj, typeof(TestClass2).GetMethod ("funcInstance"));
vals1 = lua.GetFunction ("func2").Call (2, 3);
Assert.AreEqual (5.0f, Convert.ToSingle (vals1 [0]));
}
}
public void TestEventException ()
{
using (Lua lua = new Lua ()) {
//Register a C# function
MethodInfo testException = this.GetType ().GetMethod ("_TestException", BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.DeclaredOnly | BindingFlags.Instance, null, new Type [] {
typeof(float),
typeof(float)
}, null);
lua.RegisterFunction ("Multiply", this, testException);
lua.RegisterLuaDelegateType (typeof(EventHandler<EventArgs>), typeof(LuaEventArgsHandler));
//create the lua event handler code for the entity
//includes the bad code!
lua.DoString ("function OnClick(sender, eventArgs)\r\n" +
"--Multiply expects 2 floats, but instead receives 2 strings\r\n" +
"Multiply(asd, es)\r\n" +
"end");
//create the lua event handler code for the entity
//good code
//lua.DoString("function OnClick(sender, eventArgs)\r\n" +
// "--Multiply expects 2 floats\r\n" +
// "Multiply(2, 50)\r\n" +
// "end");
//Create the event handler script
lua.DoString ("function SubscribeEntity(e)\r\ne.Clicked:Add(OnClick)\r\nend");
//Create the entity object
Entity entity = new Entity ();
//Register the entity object with the event handler inside lua
LuaFunction lf = lua.GetFunction ("SubscribeEntity");
lf.Call (new object [1] { entity });
try {
//Cause the event to be fired
entity.Click ();
//failed
Assert.AreEqual(true, false);
} catch (LuaException) {
//passed
Assert.AreEqual (true, true);
}
}
}
private void _Calc (Lua lua, int i)
{
lua.DoString (
"sqrt = math.sqrt;" +
"sqr = function(x) return math.pow(x,2); end;" +
"log = math.log;" +
"log10 = math.log10;" +
"exp = math.exp;" +
"sin = math.sin;" +
"cos = math.cos;" +
"tan = math.tan;" +
"abs = math.abs;"
);
lua.DoString ("function calcVP(a,b) return a+b end");
LuaFunction lf = lua.GetFunction ("calcVP");
lf.Call (i, 20);
}
public override void Run(string[] arguments)
{
// Correcting path => base path is package path
arguments[0] = Path.Combine(Package.Directory.FullName + Path.DirectorySeparatorChar, arguments[0]);
using (Lua lua = new Lua())
{
lua.LoadCLRPackage();
lua.DoString("import(\"craftitude\")"); // Load craftitude assembly into Lua.
lua.RegisterFunction("GetPlatformString", this, this.GetType().GetMethod("GetPlatformString"));
lua.RegisterFunction("GetProfile", this, this.GetType().GetMethod("GetProfile"));
lua.RegisterFunction("GetPackage", this, this.GetType().GetMethod("GetPackage"));
lua.RegisterFunction("GetProfilePath", this, this.GetType().GetMethod("GetProfilePath"));
lua.RegisterFunction("GetPackagePath", this, this.GetType().GetMethod("GetPackagePath"));
lua.DoString(@"
local mt = { }
local methods = { }
function mt.__index(userdata, k)
if methods[k] then
return methods[k]
else
return rawget(userdata, ""_array"")[k]
end
end
function mt.__newindex(userdata, k, v)
if methods[k] then
error ""can't assign to method!""
else
rawget(userdata, ""_array"")[k] = v
end
end");
lua.DoString(@"
function import_plugin(assemblyName, namespace)
import(Path.Combine(GetPluginsDir(), assemblyName))
import(namespace)
end");
lua.DoString(@"function install_plugin(dllPath, assemblyName)
System.IO.File.Copy(dllPath, Path.Combine(GetPluginsDir(), assemblyName .. "".dll""))
end");
lua.DoString(@"function uninstall_plugin(assemblyName)
System.IO.File.Delete(Path.Combine(GetPluginsDir(), assemblyName .. "".dll""))
end");
lua.DoFile(Path.Combine(Package.Path + Path.DirectorySeparatorChar, arguments[0].Replace('/', Path.DirectorySeparatorChar)));
lua.GetFunction(arguments[1]).Call();
}
}
/// <summary>
/// Unwaps an object comming from LuaInterface for use in DynamicLua.
/// </summary>
public static object UnWrapObject(object wrapped, Lua state, string name = null)
{
if (wrapped is LuaTable)
return new DynamicLuaTable((LuaTable)wrapped, state, name);
else if (wrapped is LuaFunction)
return new DynamicLuaFunction((LuaFunction)wrapped, state);
else if (wrapped is MulticastDelegate)
return new DynamicLuaFunction(state.GetFunction(name), state);
else
return wrapped;
}
public void RunFunction(string function, params object[] args)
{
_lua.GetFunction(function).Call(args);
}
public void CallLuaFunction()
{
using (Lua lua = new Lua ()) {
lua.DoString ("function someFunc(v1,v2) return v1 + v2 end");
lua ["funcObject"] = lua.GetFunction ("someFunc");
lua.DoString ("luanet.load_assembly('mscorlib')");
lua.DoString ("luanet.load_assembly('NLuaTest')");
lua.DoString ("TestClass=luanet.import_type('NLuaTest.Mock.TestClass')");
lua.DoString ("b = TestClass():TestLuaFunction(funcObject)[0]");
Assert.AreEqual (3, lua ["b"]);
lua.DoString ("a = TestClass():TestLuaFunction(nil)");
Assert.AreEqual (null, lua ["a"]);
}
}
/// <summary>
/// Load a single script from the specified manifest.
/// </summary>
private void LoadSingleScript(string path, ScriptManifest manifest)
{
string scriptFile = Path.Combine(path, manifest.ScriptFile);
NLua.Lua lua = new NLua.Lua();
lua.LoadCLRPackage();
_luaAPI.RegisterFunctions(lua);
bool success = true;
try
{
lua.DoFile(scriptFile);
LuaFunction fnc = lua.GetFunction("on_load");
if (fnc != null)
{
object[] res = fnc.Call();
if (res != null && res.Length == 1)
{
success = Convert.ToBoolean(res[0]);
}
}
// Cache this script object for event callbacks if the
// init function returns success.
if (success)
{
if (_scriptObjects.ContainsKey(scriptFile))
{
// BUGBUG: What if we have scripts that register events? We need to tell
// them to unregister first. Add an interface for this.
NLua.Lua oldScript = _scriptObjects[scriptFile];
oldScript.Dispose();
_scriptObjects.Remove(scriptFile);
}
_scriptObjects.Add(scriptFile, lua);
}
if (manifest.InstallToToolbar)
{
ToolbarDataItem item = new ToolbarDataItem
{
type = "button",
name = "Script",
label = manifest.Name,
tooltip = manifest.Description,
data = scriptFile,
image = manifest.IconFile
};
CRToolbarItemCollection.DefaultCollection.Add(item);
}
}
catch (Exception e)
{
LogFile.WriteLine("Error loading script {0} : {1}", scriptFile, e.Message);
success = false;
}
if (success)
{
LogFile.WriteLine("Loaded and initialised script {0}", scriptFile);
}
else
{
lua.Dispose();
}
}
/// <summary>
/// Run the specified script.
/// </summary>
/// <param name="scriptFile">Script file name</param>
public void RunScript(string scriptFile)
{
if (File.Exists(scriptFile))
{
try
{
using (NLua.Lua lua = new NLua.Lua())
{
lua.LoadCLRPackage();
_luaAPI.RegisterFunctions(lua);
lua.DoFile(scriptFile);
LuaFunction fnc = lua.GetFunction("on_Run");
if (fnc != null)
{
fnc.Call();
}
}
}
catch (LuaScriptException e)
{
MessageBox.Show(e.Message, Resources.ScriptException, MessageBoxButtons.OK);
}
}
}
public void CallGlobalFunctionTwoArgs ()
{
using (Lua lua = new Lua ()) {
lua.DoString ("a=2\nfunction f(x,y)\na=x+y\nend");
lua.GetFunction ("f").Call (1, 3);
double num = lua.GetNumber ("a");
//Console.WriteLine("a="+num);
Assert.AreEqual (num, 4d);
}
}
public void CallGlobalFunctionOneReturn ()
{
using (Lua lua = new Lua ()) {
lua.DoString ("function f(x)\nreturn x+2\nend");
object[] ret = lua.GetFunction ("f").Call (3);
//Console.WriteLine("ret="+ret[0]);
Assert.AreEqual (1, ret.Length);
Assert.AreEqual (5, (double)ret [0]);
}
}
public LuaCoroutine(Lua l)
{
lua = l;
string source = Resources.Load<TextAsset>("LuaSources/Coroutine.lua").text;
lua.DoString(source);
startFunction = lua.GetFunction("StartCoroutines");
updateFunction = lua.GetFunction("UpdateCoroutines");
}
/// <summary>
/// Load a single script from the specified manifest.
/// </summary>
private void LoadSingleScript(string path, ScriptManifest manifest)
{
string scriptFile = Path.Combine(path, manifest.ScriptFile);
NLua.Lua lua = new NLua.Lua();
lua.LoadCLRPackage();
_luaAPI.RegisterFunctions(lua);
bool success = true;
try
{
lua.DoFile(scriptFile);
LuaFunction fnc = lua.GetFunction("on_load");
if (fnc != null)
{
object[] res = fnc.Call();
if (res != null && res.Length == 1)
{
success = Convert.ToBoolean(res[0]);
}
}
// Cache this script object for event callbacks if the
// init function returns success.
if (success)
{
if (_scriptObjects.ContainsKey(scriptFile))
{
// BUGBUG: What if we have scripts that register events? We need to tell
// them to unregister first. Add an interface for this.
NLua.Lua oldScript = _scriptObjects[scriptFile];
oldScript.Dispose();
_scriptObjects.Remove(scriptFile);
}
_scriptObjects.Add(scriptFile, lua);
}
if (manifest.InstallToToolbar)
{
ToolbarDataItem item = new ToolbarDataItem
{
type = "button",
name = "Script",
label = manifest.Name,
tooltip = manifest.Description,
data = scriptFile,
image = manifest.IconFile
};
CRToolbarItemCollection.DefaultCollection.Add(item);
}
}
catch (Exception e)
{
LogFile.WriteLine("Error loading script {0} : {1}", scriptFile, e.Message);
success = false;
}
if (success)
{
LogFile.WriteLine("Loaded and initialised script {0}", scriptFile);
}
else
{
lua.Dispose();
}
}
public LuaFunction GetFunction(string func_name)
{
return(m_LuaState.GetFunction(func_name));
}
